65 lines
2.3 KiB
JavaScript
65 lines
2.3 KiB
JavaScript
console.log("background.js started");
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var baseUrl = "";
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function getCurrentDate() {
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let today = new Date();
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let yyyy = today.getFullYear();
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let mm = String(today.getMonth() + 1).padStart(2, '0'); //January is 0!
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let dd = String(today.getDate()).padStart(2, '0');
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return yyyy + mm + dd;
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}
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function onSuccess(result) {
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console.log(`background.js: onSuccess(): Promise resolved with result '${JSON.stringify(result)}'`);
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}
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function onFailure(error) {
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console.log(`background.js: onFailure(): Promise rejected with error '${error}'`);
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}
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// actually download an attached file
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async function downloadFile(url, filename, saveAs=false) {
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console.log(`background.js: downloadFile(): url is '${url}' and filename is '${filename}'`);
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return browser.downloads.download({
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url: new URL(url, baseUrl).toString(),
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filename: filename,
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saveAs: saveAs // raise a path chooser dialog if true
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});
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}
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// sequentially initiate download for each attached file
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async function downloadAllFiles(date, urlsAndFilenames) {
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for (let i = 0; i < urlsAndFilenames.length; i++) {
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// prefix filename
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let prefixedFilename = date + " " + urlsAndFilenames[i].filename;
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console.log(`background.js: downloadAllFiles(): i is ${i}`);
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await downloadFile(urlsAndFilenames[i].url, prefixedFilename, true).then(onSuccess, onFailure);
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}
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}
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// page action handler
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function handlePageactionClick(tab) {
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console.log("background.js: handlePageactionClick(): sending message");
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// get base url
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browser.tabs.query({currentWindow: true, active: true})
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.then(tabs => {
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console.log(`background.js: handlePageactionClick(): tab query returned ${JSON.stringify(tabs)}`);
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baseUrl = tabs[0].url;
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})
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// send message to content script which will trigger said content script
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browser.tabs.sendMessage(tab.id, "pageAction was clicked")
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.then(message => {
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console.log(`background.js: received a response from contentscript.js with content ${JSON.stringify(message.urlsAndFilenames)} | ${JSON.stringify(message.date)}`);
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downloadAllFiles(message.date, message.urlsAndFilenames);
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})
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.catch(error =>
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console.error(`background.js: handlePageactionClick(): The following error occured while handling a page action: ${error}`)
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)
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}
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// add listener for the extension button
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browser.pageAction.onClicked.addListener(handlePageactionClick);
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